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WinCC/WebNavigator Getting Started
3.3 Configuring the WebNavigator Server

3.3 Configuring the WebNavigator Server

3.3.1 Starting the demo project

Introduction

You have copied the WinCC demo project to the computer. In this step, you set up the Web
project for the computer that acts as both WebNavigator Server and WebNavigator Client.

Procedure

1. Start WinCC by selecting "SIMATIC > WinCC > WinCC Explorer" in the Windows Start
menu.

2. Open "DemoProjectV7".

3. Click "Start server locally" in the next dialog. The WinCC project can only be activated if
your computer has been entered as an available server in the computer list.

4. Right-click "Computer" in the navigation window of WinCC Explorer and select
"Properties...".

5. Click the "Properties" button in the dialog.

6. Enter the computer name in the "Computer name" field.

7. Click "OK". Restart the project to activate your changes.

8. Close the project by selecting "File > Exit".

9. Reopen the demo project to configure the WebNavigator Server.

See also

Configuring the WebNavigator web page (Page 51)

3.3.2 Configuring the WebNavigator web page

Introduction

The WinCC Web Configurator is used to set up and manage the Microsoft Internet Information
Service (IIS). You will be creating a default web page in this step.

Requirement

● The WebNavigator Server is installed.
● The Windows "Internet Information Service" component is installed.

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3.3 Configuring the WebNavigator Server

Procedure

1. Select "WebNavigator" in the navigation window of WinCC Explorer.
Click the "Web Configurator" command in the shortcut menu.
Click "Next" on the start page.

2. Enable the "Create a new standard web page (standalone)" option and then click "Next".

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Result 3. Enter the name "WebNavigator" for the web page.
4. Select the default port "80" in the "Port" field.
5. Select an "IP address". Use only the addresses that are available in the selection list.

Select "All not assigned" to enable Intranet and Internet access to the computer.
6. Select "WebClient.asp" as the default web page.
7. Click "Finish" if you have not activated a Firewall.

Click "Next" if you have installed a Firewall.

You have created the Web folder and activated the web page.

3.3.3 Configuring the Firewall

3.3.3.1 Configuring the Firewall in Windows XP/Windows 2003

Introduction

This section describes how to activate the "HTTP" or "HTTPS" services and the procedure for
other port settings in Windows XP or Windows 2003.

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3.3 Configuring the WebNavigator Server

Requirement

● A default web page was created using the Web Configurator.

● The Firewall is activated.

● The user who is logged has Windows administrator rights.

● You have to set up the HTTPS service in IIS if you are using it for WebNavigator. For more
information, refer to "Setting up an HTTPS service in IIS (http://support.microsoft.com/kb/
324069)".

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Procedure for the default port
1. Click the "Windows Firewall" button in the Web Configurator.

The "Windows Firewall" dialog opens.

2. Click the "Advanced" tab.
Select the required network connection and then click the "Settings" button.
The "Advanced Settings" dialog opens.

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3. Select the "Secure Web server (HTTPS)" or "Web server (HTTP)" check box.
Click the "Edit" button to display the current service settings for the web server.

4. Close all Windows dialogs with "OK".
5. Click "Finish" in the Web Configurator. The server configuration is completed.

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Procedure for other port settings
Customize the Windows Firewall settings as follows if you are not using the default port.
1. Click the "Windows Firewall" button in the Web Configurator. The "Windows Firewall" dialog
opens.
2. Click the "Advanced" tab.
Select the required network connection and then click the "Settings" button. The "Advanced
Settings" dialog opens.
3. Click "Add" in the " Advanced Settings" dialog.
The "Service Settings" dialog opens.

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4. Specify the web server settings:
– Web server name in the "Service description" field
– Name or IP address
– External and internal port number for this service
– "TCP" service
Confirm with "OK".

5. Activate the web server you created in the "Advanced Settings" dialog.
6. Close all Windows dialogs with "OK".
7. Click "Finish" in the Web Configurator. The server configuration is completed.

3.3.3.2 Configuring the Firewall in Windows 7/Windows 2008

Introduction

The chapter describes how to activate "HTTP" and "HTTPS" services for port "80" in Windows
7 or Windows 2008.

Consult your network administrator if you want to set up the Windows Firewall with advanced
security or for a different port.

Requirement

● You have created a default web page with Web Configurator.

● The Firewall is activated.

● The user who is logged has Windows administrator rights.

● You have to set up the HTTPS service in IIS if you are using it for WebNavigator. For more
information, refer to "Setting up an HTTPS service in IIS (http://support.microsoft.com/kb/
324069)".

Procedure for the default port

1. Click the "Windows Firewall" button in the " WinCC Web Configurator".
The "Windows Firewall" dialog opens.

2. Windows 7: Click "Allow a program or feature through Windows Firewall".
Windows 2008: Click "Allow a program to communicate through Windows Firewall".

3. Activate "Secure WWW services (HTTPS)" or "WWW services (HTTP)".

4. Close all Windows dialogs with "OK".

5. Click "Finish" in the Web Configurator.
The server configuration is completed.

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3.3.4 Check the activated web page

Procedure in Windows XP/2003

1. Select "Programs > Administration > Internet Information Services" from the Windows Start
menu. The "Internet Information Services" editor opens.

2. Click on the plus symbol next to the computer name in the "Structure" field.

3. Click on the plus symbol next to "Websites". The data window displays the corresponding
web pages.

4. Check the view of the web pages.
If the status "Stopped" is displayed next to the required web page, for example,
"WebNavigator", start the web page.
Select the "Start" command from the shortcut menu to launch the web page.

5. Close the editor. The web page is activated. 59

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3.3 Configuring the WebNavigator Server
Procedure in Windows 7/2008

1. Select "All programs > Administration > Internet Information Services (IIS) Manager" from
the Windows Start menu.

2. Click the computer name in the "Connections" field.
3. Click "Default Web Site".
4. Check the view of the web pages.

If the status "Stopped" is displayed next to the required web page, for example,
"WebNavigator", start the web page.
Select the "Start" command from the shortcut menu to launch the web page.
5. Close the "Internet Information Services (IIS) Manager". The web page is activated.

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3.4 Operating the WinCC project

3.4 Operating the WinCC project

3.4.1 Operating the WinCC project with Internet Explorer

3.4.1.1 Internet Explorer Settings

Introduction

You have to adapt the Internet Explorer security settings in order to utilize full functionality of
the WebNavigator Client.

Procedure

1. Click "Tools > Internet Options" in Internet Explorer.

2. Select the "Security" tab.
Select the corresponding zone, for example, "Local Intranet" or "Internet".

3. Click "Custom Level...".

4. Enable the "Script ActiveX controls marked safe for scripting" and "Download signed
ActiveX controls" options.

5. Enable "Active Scripting" under "Scripting".

6. Click "OK". Carry out the modifications in the subsequent dialog.

7. Click the "Trusted Sites" icon.
Click the "Sites..." button to open the "Trusted sites" dialog.

8. Enter the address of the WebNavigator Server in the "Add this website to the zone" field.
Possible formats and wildcards include "*://157.54.100 - 200", "ftp://157.54.23.41", or "http://
*.microsoft.com".
Deactivate the "Require server verification (https:) for all sites in this zone" option.
Click "Add". Click "OK".

9. Click the "Trusted Sites" icon.
Click the "Standard level" button and then the "Custom Level" button.
Enable "Initialize and script ActiveX controls not marked as safe". Click "OK".

10.Click on the "General" tab.
Click in the "Settings" area on the "Temporary Internet Files" button.
Enable the "Automatic" option under "Check for newer versions of stored pages:".
Click "OK".

11.Close the "Internet Options" dialog by clicking "OK".

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3.4 Operating the WinCC project

3.4.1.2 Installing the WebNavigator Client

Introduction

This chapter describes how to install the WebNavigator Client on the WebNavigator Server
via Intranet/Internet.

Requirement

● The WebNavigator Server is installed.
● The "WinCC WebNavigator" license is installed.
● The WinCC project is in Runtime.
● The WinCC pictures are configured and published for web access.
● A user for the WebNavigator Client has been created in WinCC.
● Internet Explorer

Procedure

1. Go to the address bar of Internet Explorer and enter the URL "http://www.<servername>"
of the WebNavigator Server.

2. Type in the user name and password, for example, "winccd".
The first time you access the WebNavigator Server, you are prompted to install the
WebNavigator Client. Click on the link "Click here to install".

3. Click "Save" in the "File Download" dialog to save the client setup to the target computer.
Saving the client setup to the client computer saves you from having to download the data
once again if you have to restart the client computer.

4. Select the destination folder for the setup file of the WebNavigator Client in the next dialog.

5. Without closing Internet Explorer, open Windows Explorer. Navigate to the folder in which
you saved the Setup file. Start the setup by double-clicking on setup.exe.

6. Follow the instructions on the screen and make the necessary entries and settings.

7. Select the "Complete" option in the "Setup type" dialog to install all components of the
Client. Click "Next".

8. Click "Install" in the next dialog.

9. Click "Finish" in the "Install Wizard completed" dialog.

Result

On successful installation, the WebNavigator Client connects to the WinCC project currently
in Runtime. The standard web page is displayed with the picture that you specified for the user
in the User Administrator.

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3.4 Operating the WinCC project

During installation of the WebNavigator client, the "WinCCViewerRT" Web viewer is also
installed. "WinCCViewerRT" is a viewing program that you can use in place of Internet Explorer
to visualize the WinCC project.

3.4.2 Operating the WinCC project using WinCCViewerRT

3.4.2.1 Configuring WinCCViewerRT

Introduction

WinCCViewerRT is a program for visualizing WinCC projects. You can configure
WinCCViewerRT for operation with the WebNavigator Server and Graphics Runtime.

Requirement

● On the server
– The WebNavigator Server is installed.
– A WinCC/WebNavigator license is installed.
– The WinCC project is in Runtime.
– The WinCC pictures are configured and published for web access.

● On the client
– The WebNavigator Client is installed.

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Procedure

1. Double-click the link "WinCCViewerRT.exe" in the "Webnavigator\Client\bin" installation
folder.
The configuration dialog opens if you reconfigure WinCCViewerRT.
WinCCViewerRT opens if WinCCViewerRT has already been set up. Use the <Ctrl+Alt+P>
key combination to open the configuration dialog of WinCCViewerRT.

2. Enter the login data in the "General" tab:
– Server address: http://<server name> or http://<IP address>
– User name and password, if you want to specify a default user for the login dialog.
– The user settings you configured in the User Administrator will be activated if you enable
the "Apply project settings" option.

3. Specify the Runtime language in the "Parameters" tab.
If necessary, disable any key combinations with which the user switches to other programs.
If required, you can modify the preset <Ctrl+Alt+P> key combination that is used to open
the WinCCViewerRT configuration dialog.
Define a key combination with which a user can log off and a new user can log on. The key
combination can only be used if no default user has been set in the "General" tab.

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4. Specify the WinCC Runtime properties in the "Graphics Runtime" tab:
- Start picture
- Configuration file for user-defined menus and toolbars
- Window attributes
- Impermissible user actions

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5. Specify additional user actions in the "Runtime" tab:
‑ Activating the screen keyboard
‑ <Ctrl+Alt+Del> key combination to allow switching to the Task Manager or operating
system via the screen keyboard.
- Auto-logoff settings

Result 6. Close the dialog with the "OK" button.

WinCCViewerRT is configured. The connection to the WebNavigator Server is set up after you
close the dialog. The settings are saved to the "WinCCViewerRT.xml" configuration file. The
configuration file settings are used at the next start of WinCCViewerRT. WinCCViewerRT
applies the user interface language from WinCC.
The configuration file is saved in the folder "Documents and Settings\<User>\Application Data
\Siemens\SIMATIC.WinCC\WebNavigator\Client". You can rename the file, for example, to
"User1.xml". You can also start WinCCViewerRT by means of the command line with the user-
specific configuration file, e.g. "WinCCViewerRT.exe User1.xml". This procedure allows for
different configurations, depending on the logged-on user.
The WinCCViewerRT configuration dialog opens at the start if you rename or delete
"WinCCViewerRT.xml". Reconfigure WinCCViewerRT or select a different configuration file.

Note
WinCCViewerRT can only be closed by means of script function if you disable a key shortcut
or hide the "Close" button. Function in the C-Script: DeactivateRTProject; function in the
VBScript: HMIRuntime.Stop.

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3.4 Operating the WinCC project

3.4.2.2 Operating the WinCC project

Requirement

● On the server
– The WebNavigator Server is installed.
– The "WinCC WebNavigator" license is installed.
– The WinCC project is in Runtime.
– The WinCC pictures are configured and published for web access.
– The user is created in WinCC.

● On the client
– WinCCViewerRT is configured.

Procedure

1. Start "WinCCViewerRT" in the Windows Start menu with "Programs > Siemens Automation
> Options and Tools > HMI Tools".

2. Log on to the WebNavigator Server:

– A login dialog is not displayed if the user name and password is preset in the
"WinCCViewerRT" configuration dialog. You are logged on automatically with the stored
login data.

– The login dialog is displayed if a user name and password is not set in the
"WinCCViewerRT" configuration dialog. Enter the user name and password of the
WinCC user. Click "OK".

3. To change the user, use the specified key combination for "WinCCViewerRT" login/logoff.
The previous user is logged off. Enter the user name and password of the new WinCC user
in the login dialog. Click "OK".
The key combination can only be used if no default user has been set.

Result

WinCCViewerRT automatically connects to the activated WinCC project. The start picture that
is configured for the user is displayed.

The user may operate or monitor the project, depending on authorizations. Users assigned
system authorization No. 1002 "Web access - monitoring only" in the User Administration are
only allowed to monitor the WinCC project.

The "View Only Cursor" indicates that process-related operations are not possible.

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3.4 Operating the WinCC project

Certain operations, such as opening the properties dialog of a WinCC OnlineTrendControl,
are still possible.
You can also use your own cursor icon as a "View Only Cursor", if required. For more
information, refer to "Configuring Runtime settings (Page 95)".
The <F5> key triggers a reselection of WinCCViewerRT.

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3.5 Creating a new process picture and displaying it on the client

3.5 Creating a new process picture and displaying it on the client

3.5.1 Creating a new process picture

Introduction

Configure a new process picture for the web project on the server. Create a trend window that
displays the measured values from the archive of the WinCC demo project.

Requirement

● The WinCC demo project is open.

Procedure

1. Click "Graphics Designer" in the navigation window of WinCC Explorer. Right-click in the
data window and select the " New picture" menu command.

2. In the object palette of Graphics Designer, double-click "WinCC OnlineTrendControl" on
the "Controls" tab. The control is inserted into the picture and the configuration dialog
opens.

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3.5 Creating a new process picture and displaying it on the client

3. Click the "Trends" tab. Click at the tag name in the "Data connection" field. Select the
"Measured values" archive and "T01" tag in the "Archive/tag selection" dialog.

Result 4. Click "OK". The measured values from "T01" are linked to the trend.
See also 5. If required, configure additional properties of the trend or control.
70 6. Save the control under the name "NewTrend.pdl" and close Graphics Designer.

You have successfully created a trend window in a picture on the WebNavigator Server. In
order to display the trend window on the WebNavigator Client, you must publish the picture
and assign it to a user as start picture.

Configuring a new process picture for the web (Page 71)

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3.5.2 WinCC/WebNavigator Getting Started
3.5 Creating a new process picture and displaying it on the client

Configuring a new process picture for the web

Introduction

In order to display the trend window on the WebNavigator Client, you must publish the picture
and assign it to a user as start picture.

Requirement

● The WinCC demo project is open.
● You have successfully created a trend window in a picture on the WebNavigator Server.

Procedure

1. Right-click "WebNavigator" in the navigation window of the WinCC Explorer. Select the
"Web View Publisher" command from the shortcut menu.

2. Select the new "NewTrend.pdl" picture in the "Files" field of the "Select pictures" dialog of
the Publishing Wizard. Move the file to the "Selected files" list.

3. Follow the further instructions of the Publishing Wizard. The picture is published after you
have completed the Wizard.

4. Right-click "User Administrator" in the navigation window of WinCC Explorer and select the
"Open" command from the shortcut menu.

5. Select the user with whom you wish to display the new trend window from the navigation
window of the User Administrator.

6. Select the "WebNavigator" check box in the table window. The "Web Options" area is
displayed.

7. Click "..." to select the "NewTrend.pd_" start picture.

8. Close the User Administrator.

Result

You have successfully configured the picture that contains the trend window for visualization
on the WebNavigator Client.

See also

Displaying the process picture on the WebNavigator Client (Page 72)
Administering the users for WebNavigator Client (Page 49)
Publishing process pictures (Page 43)

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3.5 Creating a new process picture and displaying it on the client

3.5.3 Displaying the process picture on the WebNavigator Client

Introduction

You want to display the new process picture on the WebNavigator Client Use the
"WinCCViewerRT" Web Viewer for this example.

Requirements

● The WebNavigator Server and the "WinCC WebNavigator" license are installed.
● The user is created in WinCC.
● A process picture is created in WinCC.
● The process picture is published and assigned to the user as start picture.
● The WinCC project is in Runtime.
● WinCCViewerRT is configured.

Procedure

1. Select the "Start > Programs > Siemens Automation > Option and Tools > HMI Tools >
WinCCViewerRT" command in the Windows Start menu.

2. Log on to the WebNavigator Server:

– A login dialog is not displayed if the user name and password are set in the
"WinCCViewerRT" configuration dialog. You are logged on automatically with the stored
login data.

– The login dialog is displayed if a user name and password is not set in the
"WinCCViewerRT" configuration dialog.
Enter the user name and password in the "General" tab. Click "OK".

3. You can use the preset <Ctrl+Alt+P> key combination to change the user. The
"WinCCViewerRT" configuration dialog opens.
Enter the user name and password in the "General" tab. Click "OK".

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Result WinCC/WebNavigator Getting Started
3.5 Creating a new process picture and displaying it on the client

The trend window is displayed in the "WinCCViewerRT" Web Viewer. The trend values are
loaded from the archive.

See also

Configuring WinCCViewerRT (Page 63)
Operating the WinCC project (Page 67)

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WinCC/WebNavigator Documentation 4

4.1 Function overview

Introduction

WinCC/WebNavigator provides a solution for operator control and monitoring of the automation
system via the Intranet and Internet. WinCC/WebNavigator offers you an easy and efficient
way of implementing the operator control and monitoring functions of the WinCC project.
Current Internet security methods are supported. Use SSL encryption to increase Internet
security.

The optional "WinCC/WebNavigator" package consists of the following components:

● WebNavigator Server

● WebNavigator Client

● WebNavigator Diagnostics Client

WebNavigator Server

All necessary WinCC pictures and functions that are displayed on the WebNavigator Client
are stored on the WebNavigator Server. The Web View Publisher automatically makes the
required adaptations to the project data that is necessary for the web. This ensures the best
possible performance.

The WebNavigator Server needs Microsoft Internet Information Service (IIS) for
communication with the WebNavigator Clients. The IIS is set up and managed using the
WinCC Web Configurator.

The "Load Balancing" function allows you to automatically distribute the WebNavigator Clients
evenly to different WebNavigator Servers, in accordance with the respective server license.

WebNavigator Client

The WebNavigator Client is started in Internet Explorer with enabled ActiveX controls. You
can operate and monitor a current WinCC project without the entire WinCC basic system
having to be installed on the computer.

You control access of the WebNavigator Clients in the user administration. A different start
picture and language can be selected for each user. You can enable scalable access to
different project areas and functions for individual users by assigning user authorizations.

The "WinCCViewerRT" Web Viewer program is used for visualization of web projects only.
The program can be used in place of Internet Explorer to visualize the WinCC project.

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4.1 Function overview
WebNavigator Diagnostics Client

The WebNavigator Diagnostics Client is particularly useful for the following activities:
● Remote diagnostics and operator control of multiple unmanned WinCC stations.
● Central remote maintenance using a Diagnostics Client to monitor several WebNavigator

Servers.
● For Power Users who need guaranteed server access at all times.
The functionality of this Diagnostics Client is no different from that of a WebNavigator client.
However, the Diagnostics Client provides guaranteed access to the WebNavigator Servers at
all times. Access is independent of the number of users already logged on to the WebNavigator
Server.
The Diagnostics Client licensing provides you with a cost-effective solution for accessing many
WebNavigator Servers using one or a few WebNavigator Clients. You can combine
WebNavigator and diagnostics licenses. The WebNavigator Server needs a Diagnostics
Server license if a WebNavigator license is not already available.

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4.2 Possible applications of WinCC/WebNavigator

4.2 Possible applications of WinCC/WebNavigator

4.2.1 WebNavigator Server on the WinCC Server

Linking WebNavigator Clients and WinCC projects via Intranet/LAN
The WinCC Server and the server component of the Web Navigator are installed on the same
computer. The WebNavigator Clients operate and/or monitor the current server project via
Intranet/LAN in an isolated solution.
This cost-effective solution allows you to set up computer stations, for example, for the purpose
of monitoring or maintenance. It is not necessary to install the complete WinCC system on
these computers.

Linking the WebNavigator Clients and WinCC projects via Internet and Intranet
The WinCC Server and the server component of the Web Navigator are installed on the same
computer. The WebNavigator Clients are able to operate and/or monitor the current server
project via Internet and Intranet.
Two Firewalls are employed to protect against malicious attacks from the Internet. The first
firewall protects the WebNavigator Server against an attack from the Internet. The second
Firewall provides additional security for the Intranet.

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WinCC/WebNavigator Documentation :HE1DYLJDWRU FOLHQW
4.2 Possible applications of WinCC/WebNavigator

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4.2.2 Separation of the WinCC and WebNavigator servers

Communication via a channel

A group of automation systems is assigned to the WinCC Server. The project includes all data
such as programs, configuration data and miscellaneous settings. On the computer that
contains the WinCC and WinCC WebNavigator servers, the WinCC project is mirrored 1:1 and
not networked with the automation systems.

Data is synchronized via the OPC channel. For this purpose, the WinCC WebNavigator Server
needs a license for the number of OPC tags.

Two firewalls are employed to protect the system against unauthorized access. The first firewall
protects the WebNavigator Server against an attack from the Internet. The second firewall
provides additional security for the intranet.

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:HE1DYLJDWRU FOLHQW WinCC/WebNavigator Documentation
4.2 Possible applications of WinCC/WebNavigator

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4.2 Possible applications of WinCC/WebNavigator

Communication via the process bus

On the computer that contains the WinCC and WinCC WebNavigator servers, the WinCC
project is mirrored 1:1. Data is synchronized via the process bus. Two firewalls are employed
to protect the system against unauthorized access.

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4.2.3 Dedicated Web Server

Introduction

Installation of a dedicated web server is advantageous in larger-scale systems for the central
data supply to the WebNavigator Clients. The dedicated web server processes and optimizes
client access and is available to the clients as a proxy of the WinCC servers.

The functionality of the dedicated web server is provided by the installation of the
WebNavigator server on a WinCC client.

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Advantages of using a dedicated web server

● The load can be distributed over several dedicated web servers in order to enhance the
performance of the complete system.

● The physical separation of the dedicated web server and the WinCC server on different
computers increases security.

● Operation of the servers on different stations also permits the separation of operational
functions, for example, plant support and the IT department.

● The dedicated web server is able to provide simultaneous access to several subordinate
WinCC servers. Users logged on to the dedicated web server can access several WinCC
projects, without having to log on separately for each project.

● The dedicated web server supports redundancy switchover between two subordinate
WinCC servers with WinCC Redundancy.

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4.2.4 WinCCViewerRT

Overview

You run the "WinCCViewerRT.exe" application instead of Internet Explorer on the
WebNavigator Client. WinCCViewerRT is installed with the WebNavigator Client.

The example of WinCCViewerRT is that you do not need the browser. You therefore protect
the system against virus or Trojan attacks.

The viewer only displays the pictures that you configured for web access and published on the
WebNavigator Server. The user may operate or monitor the project, depending on
authorizations. Users assigned authorization 1002 "Web access - monitoring only" in WinCC
are only allowed to monitor the project. The WebNavigator Client is therefore a so-called "View
Only Client".

The "View Only Cursor" indicates that process-related operations are not possible. Certain
operations, such as opening the properties dialog of the WinCC OnlineTrendControl, are still
possible.

You can also use WinCCViewerRT as terminal services application. For more information,
refer to "Configuring terminal services for WebNavigator Server".

WinCCViewerRT does not support the "Load Balancing" function.

See also

Configuring terminal services for WebNavigator (Page 145)

4.2.5 WebNavigator Diagnostics Client

Overview

The WebNavigator Diagnostics Client provides cost-effective access to several WebNavigator
Servers. Several Diagnostics Clients and standard clients can be used simultaneously. This
process does not demand an additional license for WebNavigator Server. Licensing is handled
on the Diagnostics Client. The WebNavigator Server needs a Diagnostics Server license if a
WebNavigator license is not already available.

The Diagnostics Client can always access the WebNavigator Server, regardless of whether
or not the maximum number of simultaneous logins to the WebNavigator Server has been
reached. Diagnostics Client access to the WebNavigator Server is always guaranteed.

Possible applications include:

● Remote maintenance: The Diagnostics Client is used for consecutive access to different
WinCC systems for the purpose of service and maintenance.

● Central maintenance: The Diagnostics Client is used for simultaneous access to several
servers.

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4.2 Possible applications of WinCC/WebNavigator

Terminal services and WebNavigator

Introduction

The terminal services of Windows server operating systems provide access to the desktop of
a Windows server. The Terminal Client provides screen output while the application, for
example, WinCCViewerRT, is active on the Terminal Server.

The Terminal Services only transfer the user interface of the application to the clients. Each
client's keyboard inputs and mouse operations are returned back to the server.

For information on redundant system configurations with the Terminal Services, refer to the
corresponding Microsoft documentation.

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Advantages of the Terminal Services
● Use of robust hardware with low memory requirements for the clients, for example, without
fans and hard disk in a dusty environment.
● Use of mobile clients with limited power consumption, e.g. handhelds, Palmtops, or PDAs.
● All applications are located on the server in a secure environment.
● Simple, central administration and system maintenance.
● Support of different operating systems, e.g. Windows CE, Windows 95.

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4.3 Configuring the WebNavigator system

4.3.1 Overview of the configuration steps

Requirement

● The server and client are interconnected via TCP/IP.
● On the server

– Internet Information Service is installed.
– The WebNavigator Server is installed.
– A license key is installed.
– WinCC is installed.
● On the client
– Internet Explorer is installed.

or
– WinCCViewerRT is installed.

Basic procedure
It is necessary to complete the following configurations in order to set up the WebNavigator
system:
1. Configuration of the WinCC project.
– Publish the WinCC process pictures for web access
– Configure web settings
– Create and administer users for access of the WebNavigator Client.
2. Configuration of the WebNavigator Server.
– Configure the WebNavigator web page.
– Configure the "Load Balancing" function, if necessary.
3. Consideration of the differences compared to the WinCC basic system and of restrictions.

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4.3.2 Configuring the WinCC project

4.3.2.1 Publishing WinCC process pictures

Publishing WinCC Process Pictures

Introduction

If you wish to display WinCC process pictures on the WebNavigator Client or DataMonitor
Client, you have to publish the pictures. For publishing, you use the Web View Publisher, which
automatically makes the necessary adaptations to the project data.

Overview

The Web View Publisher enables the following types of publishing:

● Publishing on the local computer.
The current WinCC project folder is the source folder.
The target folder is a subfolder, for example, "Projectname/WebNavigator/Pictures".

● Publishing on a dedicated web server with a server prefix.
The source folder is the WinCC project folder on another WinCC computer that is defined
by the server prefix.
The target folder is located in subfolder ".../WebNavigator/Pictures" of the WinCC project
on the WinCC Client. The pictures of your own project are saved with the name
"<picturename>.PD_", while the pictures of other projects are saved with the name
"<serverprefix>_ _<picturename>.PD_".

● Remote publishing.
The source and target folders can be located on the same or different web servers.
You can start the Web View Publisher on the web server with the source and target folder
or on a third web server.

● Remote publishing on a dedicated web server or WinCC Client from a different remote
station.
The project folder of the WinCC project must be released in Windows on the dedicated web
server/WinCC Client. You can start the Web View Publisher remotely by opening the WinCC
project of the web server/WinCC Client on the remote computer. On the remote station,
you publish the WinCC pictures from other WinCC Servers to the dedicated web server.

The Web View Publisher performs the following adjustments:

● Compression of the data for optimizing performance on the Internet.

● Removal of project-specific data that is not required for the operation.

● Conversion of picture windows into an ActiveX component.

● Conversion of scripts so that they can be run on the Client.

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Publication of pictures with faulty scripts
If warnings or errors are generated during publishing, the process pictures affected are marked
in the output field of the Web Publishing Wizard. The pictures with errors in the scripts are
nonetheless published. However, errors can still occur in Runtime and are reported by the
WebNavigator Client.

The "PdlPad" tool can be started directly in the Web View Publisher in order to check and, if
necessary, correct the scripts used in the published pictures.

Publishing Without Project Functions

Publishing without project functions can be an additional source of error. When publishing with
the Web View Publisher, the selected project functions are always published. When published
without project functions, the pictures no longer contain any project functions. The project
functions of the last publishing process are always available in the published pictures and,
therefore, on the client.

The selection of project functions in the Publisher is independent of the pictures published in
the same process. If , for example, you modify selected project functions but not their
interfaces, you need to publish all necessary project functions. In this case, you do not have
to publish the picture.

Changing the process picture in Graphics Designer

Process pictures that you edit in runtime in Graphics Designer on the WebNavigator Server
must be published once again. This is required for the process picture to be displayed on the
WebNavigator Client.

When using a dedicated web server, open the WinCC project on that server from a remote
station in order to transfer the changes to the WebNavigator Client. On completion, open and
save the modified picture in Graphics Designer. Publish the picture in the next step using Web
View Publisher on the dedicated web server.

If you have modified a large number of pictures, you can simplify this process. For this purpose,
call the "Convert pictures" function in the shortcut menu of Graphics Designer. On completion,
you once again have to publish the pictures.

See also

How to publish WinCC process pictures using Web View Publisher (Page 87)
Requirements for publishing pictures (Page 86)

Requirements for publishing pictures

General requirements

● The picture names may not contain double underscores, e.g. "__furnace_overview.pdl".
The string before the double underscore will be interpreted as server prefix.

● The package names and/or symbolic computer names may not contain any double
underscores.

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● Moreover, the name cannot begin with a single underscore if you are using Basic Process
Control. When using Picture Tree Manager, the name string of higher-level pictures will
have a "@PTN_" prefix. With the leading underscore, the picture name will then have a
double underscore.

● If two header files of the same name exist in the project path and in the installation path of
WinCC, Web View Publisher will use the header file from the installation path.

Requirements for publishing on a dedicated web server

● The Web Navigator Server is installed on the WinCC Client.

● The C and VB scripts of all WinCC servers to which the WinCC Client has access have
been copied to the WinCC Client.

● The WinCC server packages that the WinCC Client can access are loaded on the WinCC
Client.

● If you wish to publish projects on other computers, these computers must be linked by
means of network drive before you start Web View Publisher. This procedure enables the
display of your projects in the selection dialog of the Publisher. You cannot enter the path
directly.

Requirements for remote publishing

● Access to the target and source folders is enabled for Web View Publisher.
WinCC configures these Windows enables by default. Verify that these enables are not
restricted, for example, valid for specific users only.

● If you wish to publish projects on other computers, these computers must be linked by
means of network drive before you start Web View Publisher. This procedure enables the
display of your projects in the selection dialog of the Publisher. You cannot enter the path
directly.

See also

Publishing WinCC Process Pictures (Page 85)
How to publish WinCC process pictures using Web View Publisher (Page 87)

How to publish WinCC process pictures using Web View Publisher

Introduction

Use Web View Publisher to publish the process pictures that you created in Graphics Designer.
The WinCC Web Publishing Wizard supports you during publishing.

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Procedure

1. Select "Web Navigator" in the navigation window of WinCC Explorer.
Select the "Web View Publisher" command in the shortcut menu.
The WinCC Web Publishing Wizard is now launched.

2. Click "Next".

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3. Activate the "Server prefix" option if you want to publish the pictures on a dedicated web
server.
Select the prefix of the WinCC Server that contains the WinCC project from the selection
list. The list displays the prefixes of the servers whose packages are loaded on the WinCC
Client.
Deleting a prefix from the selection changes the paths displayed in the fields below.

4. Under "Path to your WinCC project", select the WinCC project folder containing the pictures
you want to publish.
The folder has the following format for publication on a dedicated web server:
"\\<servername>\<serverprefix>_ _<projectname>".
If you want to publish from a remote station, select the source project containing the pictures.
The source project is displayed by its enable name on the other WinCC Server.
The folder has the following format:
"\\<computer name>\<enable name>".

5. Select the target folder for the published pictures under "Publishing folder of the WinCC
web".
Accept the proposed folder within the WinCC project folder.
Do not change the path specification unless you want to transfer pictures to a different
project, for example. In this case, the prefix selection list will be expanded accordingly.
Verify the specified target project to which the published pictures are saved during remote
publishing.
The path definition will be updated when you select the source project.
Should the target project be located on another WinCC server, select the corresponding
project.

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6. Select the "Display hidden objects" option to show hidden objects that are published
automatically in the results list.

7. Click "Next". Move the pictures that you wish to publish to the "Selected files" list.

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8. Click "Next". Move the C project functions which you use in the published pictures to the
"Selected files" list. You cannot publish individual VB scripts.

Click "Next". 91

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9. Move the referenced graphics that you wish to publish to the "Selected files" list.

Click "Next".
10.Click "Exit" to start publishing the pictures.

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Result

You have successfully published the pictures and functions. The results list displays the status
of all published objects. You can click an object to view additional object information.

You can trace publishing using the "<projectfolder>\WebNavigator\WizardLog.txt" file.

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Checking the scripts using "PdlPad"
The "WizardLog.txt" log file contains information about errors in the scripts used. You can also
find errors using the "PdlPad" debugger.
1. Open "PdlPad" by double-clicking on the affected object in the results list of Web View
Publisher. The script of the published picture is displayed.

See also 2. Click in order to check the script.
3. You can temporarily correct and save the scripts. These corrections are only saved to the

published pictures, not in the process picture of the WinCC project.
"PdlPad" can also be opened in the Windows Start menu via "SIMATIC > WinCC >
WebNavigator-Server".

Publishing WinCC Process Pictures (Page 85)
Requirements for publishing pictures (Page 86)

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4.3.2.2 Configuring web settings

Configuring runtime settings

Introduction

You can configure the behavior in Runtime in the "WinCC web settings" dialog.

Procedure

1. Select "WebNavigator" in the navigation window of WinCC Explorer. Select the "Web
settings" command from the shortcut menu.

2. Change to the "Runtime" tab in the "WinCC web settings" dialog.
Select the required settings. Close the dialog with "OK".

Use "WinCC Classic" design:

Select this option to improve the performance of the WebNavigator Client. The original style
of WinCC V6 is now used.

"Monitoring only" cursor:

A default cursor shows that the user of the WebNavigator Client is not allowed to operate
Runtime. The user has been assigned system authorization no. 1002 - "Web access -
monitoring only" in the WinCC User Administrator.

If you want to use your own cursor, enter its path and file name. You can also use the "..."
button to navigate to the file of the selected cursor.

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Maximum number of simultaneous connections
Specify the maximum load on the WebNavigator Server. Specify the maximum number of
connections for simultaneous access to the server. The number of configured gadgets is
included in the count.
The number of simultaneous connections can exceed the number of WebNavigator licenses
if, for example, several tabs are opened in the browser window. A limitation of "50" is necessary,
since the server guarantees a maximum of 50 connections in normal operation without
additional loads. The value must not be less than the actual number of WebNavigator licenses.

Maximum number of tabs per browser
Specify the maximum number of tabs per browser window. Multiple tabs in a browser window
are counted as one WebNavigator license.

Activate WinCC system messages
The system messages "No. 1012400" or "No. 1012401" are output and archived at the login/
logoff of a WebNavigator Client.

Enable event log messages
A successful session login or logoff is recorded in the Windows event viewer.

Disable local groups of SIMATIC Logon
The WebNavigator Server can only be accessed by groups in the same domain.

WinCC pictures as gadget

Overview

Gadgets are mini applications for the Windows Sidebar. On a WebNavigator Client, you can
display published WinCC process pictures in a gadget.

Specify the WinCC pictures for the gadget. In Runtime, the WebNavigator Server successively
generates a cyclic snapshot image "pdlImage.jpg" of each picture. The file is saved to the
"\WinCC\Webnavigator\Server\Web\image\_gadget" folder. The gadget accesses the file at
cyclic intervals and displays the currently generated picture.

The following objects are not displayed in a gadget:

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● Global Script Diagnostics Window
● WinCC Media Control
● WinCC Controls from migrated projects that have been installed with versions before

WinCC V7.0

Note
The pictures displayed cannot contain any user interaction. This includes calling login
dialogs or notice dialogs by means of functions, for instance.
You cannot operate the picture that is displayed in the gadget.

NOTICE
Short update cycles place a high load on the WebNavigator system
Set a sufficiently long update cycle rate when an AlarmControl is displayed or a large
number of process values for trend views are updated in the gadget.
If a process value has not yet been read from the controller at the time of the snapshot,
the gadget displays the start value instead of the actual process value.

Requirement

● The Windows operating system must support the use of gadgets.

● The WebNavigator Client must be installed on the WebNavigator Server to enable
configuration of the gadgets.

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Configuring the gadget on the WebNavigator Server
1. Select "WebNavigator" in the navigation window of WinCC Explorer. Select the "Web
settings" command from the shortcut menu.
2. Change to the "Gadget" tab in the "WinCC web settings" dialog.

3. Use the "..." button to select a published picture under "Name".

4. Specify the Runtime language for the selected picture.

5. Define the clipping of the selected picture that is displayed in the Gadget. As a rule, the
process picture is too large for display in the Gadget. Ensure that the clipping has the same
width and height as the gadget, or at least the same width/height ratio. Otherwise, the
picture will be distorted in the gadget or displayed with a black frame.

6. Click "Add". The picture is inserted into the "Pictures" list. Repeat steps 3 to 6 for additional
pictures.

7. Select pictures for which you want to change the language or clipping from the list. Edit the
settings and click "Change".

8. In the "Update cycle" field, specify the time interval that is to be used by the server for the
cyclic update of the picture that is displayed in "pdlImage.jpg".
The new picture is accessed at the start of the time interval. The current process values
are read from the controller. At the end of the interval the snapshot is created and stored
in "pdlImage.jpg".
The following example shows two process pictures with an update cycle of "10 s".

Time [s] Image
10 Process_Picture_1 -> pdlImage.jpg
20 Process_Picture_2 -> pdlImage.jpg

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Time [s] Image
30 Process_Picture_1 -> pdlImage.jpg
40 Process_Picture_2 -> pdlImage.jpg

1. Select the "Time stamp" option if you want the gadget to display the date and time of
generation of the picture.

2. Close the dialog with "OK".

Displaying gadgets on the WebNavigator Client

A pre-configured gadget for displaying WinCC pictures is available in the installation folder at
"\WinCC\Webnavigator\GADGET" on the WebNavigator Client.

To access the gadget with the WebNavigator Client, proceed as follows:

1. Double-click "WebNavigator.gadget" in the installation folder at "\WinCC\Webnavigator
\GADGET". The gadget is installed in the Windows Sidebar.

2. Specify the update cycle in which the gadget loads a picture from the WebNavigator Server.

3. Enter the address of the WebNavigator Server. The Gadget establishes a connection to
the WebNavigator Server.

4. If necessary, drag-and-drop the Gadget onto the desktop.

Web settings for compatibility

Working with migrated projects

The following restriction existed for C scripts in WinCC/Web Navigator prior to V6.2. Instead
of the complete path and picture name, the following parameters and functions returned only
the picture name on the WebNavigator Client:

● Parameter "lpszPictureName"

● Function "GetParentPicture"

● Function "GetParentPictureWindow"

As of WinCC/WebNavigator V6.2, you can enable absolute addressing and therefore revoke
this restriction for the WebNavigator Client, if required.

Select the desired response for the execution of C scripts:

● Picture name: Absolute addressing is disabled by default. The functions or parameters only
return the picture name. Compatibility with older versions of WebNavigator Client and the
C scripts created for these is maintained.

● Picture name and path: The absolute picture name is returned with the complete path.
This response corresponds with the WinCC basic system. There is no need to modify the
C-Scripts used on the WinCC basic system for execution on the WebNavigator Client.

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Procedure

1. Select "WebNavigator" in the navigation window of WinCC Explorer. Select the "Web
settings" command from the shortcut menu.

2. Change to the "Compatibility" tab in the "WinCC web settings" dialog.

3. Activate the desired response of the C-Scripts.
4. Close the dialog with "OK".

4.3.2.3 Administering the users for WebNavigator Client

Introduction

Assign authorizations to the user for operator control and monitoring for access to a WinCC
project as WebNavigator Client. You can select a start picture and Runtime language for each
user. Use the "Automatic Logout" function to specify the timeout for access of the
WebNavigator Client to the WinCC project. The user will then be logged off automatically.

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